ixgbe: Fixing EEH handler to handle more than one error

After commmit 4b77b0a2ba27d64f58f16d8d4d48d8319dda36ff EEH breaks
after the second error, since it calls pci_restore_state()
but it returns 0, since pci->state_saved is false.

So, this patch just call pci_save_state() after pci_restore_state().

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 5bd9e6b..a5036f7 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -5994,6 +5994,7 @@
 	} else {
 		pci_set_master(pdev);
 		pci_restore_state(pdev);
+		pci_save_state(pdev);
 
 		pci_wake_from_d3(pdev, false);